<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script>
			var ar=new Array("方亚兵","徐翔",5,"胡晓波");
			alert(ar.length+","+ar.join("#"));
			var a2=["刘明","徐明","胡彬彬","钱永凯"];
			alert(a2.length+","+a2.join("#"));
			a2.length=2;//???
			alert(a2.length+","+a2.join("#"));
						
		</script>
	</head>
	<body>
	</body>
</html>
